US3534264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptive digital communication system
Assignee: International Business Machines Corp
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Filing: 1966-04-15
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Granted: 1970-10-13
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Expires: 1986-04-15
Abstract
No abstract record available.
Inventors
- 👤 Herman L Blasbalg
- 👤 Joshua Y Hayase
- 👤 Richard C Crutchfield Jr
- 👤 Hann F Najjar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:37
CPC Classifications
G; G06; G06F; G06F3/00; H; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/07; H04J3/16; H04J3/1605; H04J3/1623; H04J3/1647; H04J3/1682; H04L; H04L1/00; H04L1/0001; H04L1/0002; H04L1/0009; H04L1/0015; H04L1/0017; H04L1/0023; H04L1/0025; H04L1/004; H04L1/0056; H04L1/0057; H04L1/12; H04L1/0045; H04L1/0052; H04L2001/0098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A DIGITAL COMMUNICATIONS SYSTEM HAVING A TRANSMITTING STATION AND A RECEIVING STATION, AND WHEREIN A PARAMETER OF THE SIGNAL TRANSMITTED FROM THE TRANSMITTING STATION IS ADAPTED IN ACCORDANCE WITH AN ERROR RATE OF THE SIGNAL RECEIVED AT THE RECEIVING STATION, SAID SYSTEM INCLUDING: A PLURALITY OF DIGITAL INPUTS AT SAID TRANSMITTING STATION EACH OF SAID INPUTS HAVING AN INDEPENDENT INFORMATION RATE WHICH IS THE SAME AS OR DIFFERENT FROM THE INFORMATION RATE OF ANY OTHER OF SAID INPUTS, EACH OF SAID INPUTS FURTHER BEING ASSIGNED A PRORITY RELATIVE TO ANOTHER ONE OF SAID INPUTS; A MULTIPLEXER FOR COMBINING EACH OF SAID INPUTS INTO A TIME DIVISION MULTIPLEXED OUTPUT SIGNAL HAVING AN INFORMATION RATE AND BIT DURATION DETERMINED BY THE NUMBER OF SAID INPUTS AND THE INFORMATION RATES OF EACH OF SAID NUMBER OF INPUTS; TRANSMITTING MEANS FOR TRANSMITTING SAID MULTIPLEXED OUTPUT SIGNAL; RECEIVING MEANS AT THE RECEIVING STATION FOR RECEIVING SAID MULTIPLEXED OUTPUT SIGNAL FROM THE TRANSMITTING STATION;
Claim 2
Dependent Claim
158 words
A DIGITAL COMMUNICATIONS SYSTEM HAVING A TRANSMITTING STATION AND A RECEIVING STATION, AND WHEREIN A PARAMETER OF THE SIGNAL TRANSMITTED FROM THE TRANSMITTING STATION IS ADAPTED IN ACCORDANCE WITH AN ERROR RATE OF THE SIGNAL RECEIVED AT THE RECEIVING STATION, SAID SYSTEM INCLUDING: A PLURALITY OF DIGITAL INPUTS AT SAID TRANSMITTING STATION EACH OF SAID INPUTS HAVING AN INDEPENDENT INFORMATION RATE WHICH IS THE SAME AS OR DIFFERENT FROM THE INFORMATION RATE OF ANY OTHER OF SAID INPUTS, EACH OF SAID INPUTS FURTHER BEING ASSIGNED A PRORITY RELATIVE TO ANOTHER ONE OF SAID INPUTS; A MULTIPLEXER FOR COMBINING EACH OF SAID INPUTS INTO A TIME DIVISION MULTIPLEXED OUTPUT SIGNAL HAVING AN INFORMATION RATE AND BIT DURATION DETERMINED BY THE NUMBER OF SAID INPUTS AND THE INFORMATION RATES OF EACH OF SAID NUMBER OF INPUTS; TRANSMITTING MEANS FOR TRANSMITTING SAID MULTIPLEXED OUTPUT SIGNAL; RECEIVING MEANS AT THE RECEIVING STATION FOR RECEIVING SAID MULTIPLEXED OUTPUT SIGNAL FROM THE TRANSMITTING STATION;
References Cited (Backward Citations)
US3331071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |